Finding the Fourth Proportional to 577,392,940.20, 866,089,410.30 and 480,458,101.80
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Solution
The fourth proportional to 577,392,940.20, 866,089,410.30 and 480,458,101.80 is: 720,687,152.70
Step by Step Solution
- Step 1: Write the proportion equation
577,392,940.20 : 866,089,410.30 = 480,458,101.80 : x - Step 2: Convert to fraction form
577,392,940.20/866,089,410.30 = 480,458,101.80/x - Step 3: Cross multiply
577,392,940.20x = 866,089,410.30 × 480,458,101.80 - Step 4: Simplify right side
577,392,940.20x = 416,119,674,061,819,328 - Step 5: Solve for x
x = 416,119,674,061,819,328/577,392,940.20 - Step 6: Final answer
x = 720,687,152.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.